Wagner, H.; Walcher, W. (Marburg Univ. (F.R. Germany). Physikalisches Inst.) (eds.); Bundesministerium fuer Bildung und Wissenschaft, Bonn (F.R. Germany); p. 87-98; Dec 1970; ZAED; Leopoldshafen, F.R. Germany; International conference on electromagnetic isotope separators and the techniques of their applications; Marburg, F.R. Germany; 7 Sep 1970